#JaCoLine

Chris Newlandchriswhocodes
2024-06-29

VMOptionsExplorer, JEP tools, and JaCoLine have all been updated to support JDK24.

Options relating to HotSpot RTM (Restricted Transaction Memory) locking have been removed and an interesting new option -XX:+PrintMemoryMapAtExit has been added (will experiment with this and write up later).

chriswhocodes.com/hotspot_opti

jacoline.dev/inspect

Screenshot showing the HotSpot JVM options that have changed between OpenJDK23 and OpenJDK24.Screenshot from JaCoLine.dev (Java Command Line Inspector) showing a new option from JDK24 being validated.
Chris Newlandchriswhocodes
2023-11-20

Thanks for the mention!

Reasons you might want to follow me are:

- Learn about all the switches that control the JVM: chriswhocodes.com/

- Java Command Line Inspector - check your Java command line works with later versions jacoline.dev/inspect

- Check JEP activity chriswhocodes.com/jepsearch.ht

- Explore Java bytecode byte-me.dev/

- Understand JIT compiler decisions made by the JVM github.com/AdoptOpenJDK/jitwat

Chris Newlandchriswhocodes
2022-12-19

Hey new Mastodon friends! Here's a little :)

* 25 years of , mostly in realtime market data but also some fun R&D stuff.

* Java Champion who loves digging deep into the and sharing what I learn.

* Creator of open source tools like , , , (chriswhocodes.com)

* Co-wrote a book on Java Performance (Optimizing Java).

* Love retro hardware, synths, and the !

Appreciate boosts to make new connections here!

joschijoschi
2019-12-13

RT @chriswhocodes@twitter.com

Ever want to validate your JVM switches at build time? now has a JSON/REST API so you can validate your command lines automagically!

🐦🔗: twitter.com/chriswhocodes/stat

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